Note: Student presentations are rescheduled for tomorrow (Mrs. Murray will be back).

Bell Ringer:

Answer the following question in your notebook:

Explain what will happen if you cut a magnet in half.

Watch the next 40 minutes of the videoabout Electricity & Manetism by

Walter Lewin (September 25, 2005).

Running Time: 1:41:56
http://mitworld.mit.edu/video/319



If video does not load or if there are technology issues, please complete the
following instead:
Read pages 434-443 in the Karen Arms Environmental Science textbook.
Define terms: fossil fuels, electric generator, petroleum, oil reserves.
Answer questions 1-6 page 443